Side by side

Spinnaker Dumas GMTvsYema Wristmaster Slim Small Seconds CMM.29

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

10 of 29 specs differ
Diameter
Dumas GMT44mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
Dumas GMT40h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
Dumas GMT300m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
Dumas GMT$399
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
44mm
39mm
Thickness
15mm
9mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

1 specs
Caliber
Seiko NH34A
Yema CMM.29

Pricing

1 specs
MSRP
$399
$2,249

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

Yema Wristmaster Slim Small Seconds CMM.29

Owners widely praise the Yema Wristmaster Slim Small Seconds CMM.29 for its slim 9.5mm case, unique nature-inspired dial, and brushed steel finish. The micro-rotor movement is noted for its 4Hz beat rate and 42-hour power reserve, regulated to -/+ 10 seconds per day. Some owners report concerns regarding the movement and warranty process, while a reviewer questioned the value proposition at its price point and noted minor finishing inconsistencies on a prototype. On balance, the Yema Wristmaster Slim Small Seconds CMM.29 is highly regarded by owners for its distinctive design and comfortable wearability.

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